Contra Costa County property record for 24 Atherton Ave, Crockett, CA 94525
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,287 sqft · built 1922 |
| Lot Size | 0.052 acres (2,244 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $4,176 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 354-214-004-5 |
| Primary APN | 354-214-004-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,287 sqft Living Area |
| 1st Floor Area | 939 sqft |
| 2nd Floor Area | 348 sqft |
| Year Built | Built 1922 |
|---|---|
| Effective Year Built | Effective 1930 |
| Lot Area | 2,244 sqft (0.052 acres) |
| Street Address | 24 ATHERTON AVE |
|---|---|
| City | CROCKETT |
| State | CA |
| Zip | 94525-1508 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | TENNEY TERRACE 4 D |
| Legal Subdivision | TENNEY TERRACE CROC |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 357000 |
24 Atherton Ave is owner-occupied and held in a trust.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 24 ATHERTON AVE, CROCKETT, CA 94525-1508 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 24 Atherton Ave was $4,176 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | John Swett Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $257,546 (+2%) Land $119,575 Building $137,971 | |
| 2025 | $4,176.00 Homeowner's exemption | $252,497 Land $117,231 Building $135,266 |
| 2023 | $3,868.00 (+1.23%) Homeowner's exemption | $242,694 Land $112,680 Building $130,014 |
| 2022 | $3,821.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 24 Atherton Ave in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 1995.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 11 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 11 in force |
| Nearby Flood Claims | 6 (1995–2017) |
| Claims Outside the SFHA | 1 of 6 |
| Most Recent Claim | Jan 2017 · Severe Winter Storms, Flooding, And Mudslides |
| Claims by Event |
|
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 24 Atherton Ave is moderate, ranking above 45% of the US, with a 0.08% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 45% of the US · lower than 73% of California |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Indirect within ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 306 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
5G (outdoors only) and 4G LTE
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